agenttesla | 3fb85f6a40dfc7b76b2e72ce78e391a31d0647a009c1fe0252e49c6940220943

General

Target

PURCHASE ORDER-6350-2024.exe
Size

614KB
MD5

e25b8037dca1fdb8e69cb26bd1cb4f17
SHA1

5a05ef1979ba60a139cb987e7ab3abf1115acba8
SHA256

42db38678ebdd31dbcab40014ff3b96a8b263f77e8484901226defbdfbb8eba6
SHA512

24e783563daf3595dc341c080103976c1a9303f1e7a40418581e5abbb88ace04c341217c7d165e6f36fccd2800108efe454fb6a7acca127a1f8de8b0e2b7f4c1
SSDEEP

12288:UnCgemEOtMBeSoLZTglM5L/O9PVRcVyZIPaCby:qlEj2LZd0tSVjby

Score

10^/10

agenttesla collection discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mbarieservicesltd.com
Port:
587
Username:
[email protected]
Password:
*o9H+18Q4%;M
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3036	powershell.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER-6350-2024.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER-6350-2024.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER-6350-2024.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 2812	2664	PURCHASE ORDER-6350-2024.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PURCHASE ORDER-6350-2024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PURCHASE ORDER-6350-2024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3036	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	PURCHASE ORDER-6350-2024.exe
Token: SeDebugPrivilege	3036	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 3036	2664	PURCHASE ORDER-6350-2024.exe	30
PID 2664 wrote to memory of 3036	2664	PURCHASE ORDER-6350-2024.exe	30
PID 2664 wrote to memory of 3036	2664	PURCHASE ORDER-6350-2024.exe	30
PID 2664 wrote to memory of 3036	2664	PURCHASE ORDER-6350-2024.exe	30
PID 2664 wrote to memory of 2812	2664	PURCHASE ORDER-6350-2024.exe	31
PID 2664 wrote to memory of 2812	2664	PURCHASE ORDER-6350-2024.exe	31
PID 2664 wrote to memory of 2812	2664	PURCHASE ORDER-6350-2024.exe	31
PID 2664 wrote to memory of 2812	2664	PURCHASE ORDER-6350-2024.exe	31
PID 2664 wrote to memory of 2812	2664	PURCHASE ORDER-6350-2024.exe	31
PID 2664 wrote to memory of 2812	2664	PURCHASE ORDER-6350-2024.exe	31
PID 2664 wrote to memory of 2812	2664	PURCHASE ORDER-6350-2024.exe	31
PID 2664 wrote to memory of 2812	2664	PURCHASE ORDER-6350-2024.exe	31
PID 2664 wrote to memory of 2812	2664	PURCHASE ORDER-6350-2024.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER-6350-2024.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PURCHASE ORDER-6350-2024.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER-6350-2024.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER-6350-2024.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER-6350-2024.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3036
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER-6350-2024.exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER-6350-2024.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2664-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/2664-1-0x0000000000BB0000-0x0000000000C50000-memory.dmp

Filesize
640KB

Download
memory/2664-2-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2664-3-0x00000000006A0000-0x00000000006B8000-memory.dmp

Filesize
96KB

Download
memory/2664-4-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/2664-5-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2664-6-0x0000000005F00000-0x0000000005F70000-memory.dmp

Filesize
448KB

Download
memory/2664-23-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2812-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2812-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-21-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-12-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2812-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2812-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2812-20-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2812-22-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2812-26-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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